The Chicago Department of Transportation is putting in the signs as part of an effort to increase pedestrian safety and reduce crashes. The department says the city has about 3,000 crashes a year between motor vehicles and pedestrians, killing about 50 people.
Illinois state law requires motorists to stop, not just yield, at crosswalks. The city is installing 4-foot high signs that say "State Law: Stop for Pedestrians Within Crosswalk."
The first 50 signs are being installed near schools, parks, hospitals and public transit.
Copyright 2012 The Associated Press.